Home / 120,189.30-180,300.15-41,327.70

Finding the Fourth Proportional to 120,189.30, 180,300.15 and 41,327.70

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Solution

The fourth proportional to 120,189.30, 180,300.15 and 41,327.70 is: 61,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,189.30 : 180,300.15 = 41,327.70 : x
  2. Step 2: Convert to fraction form
    120,189.30/180,300.15 = 41,327.70/x
  3. Step 3: Cross multiply
    120,189.30x = 180,300.15 × 41,327.70
  4. Step 4: Simplify right side
    120,189.30x = 7,451,390,509.16
  5. Step 5: Solve for x
    x = 7,451,390,509.16/120,189.30
  6. Step 6: Final answer
    x = 61,997.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.